title: Subarachnoid cyst simulating an intracanalicular acoustic neuroma.
mesh_terms: D002530:Cerebellopontine Angle; D003560:Cysts / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D008875:Middle Aged; D009464:Neuroma, Acoustic / Q000175:diagnosis*; D013346:Subarachnoid Space